CN109435170A - Injection mold system - Google Patents
Injection mold system Download PDFInfo
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- CN109435170A CN109435170A CN201811552584.8A CN201811552584A CN109435170A CN 109435170 A CN109435170 A CN 109435170A CN 201811552584 A CN201811552584 A CN 201811552584A CN 109435170 A CN109435170 A CN 109435170A
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- piston
- injection mold
- needle
- mould template
- mold system
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- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive means therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Present invention discloses a kind of injection mold systems.The injection mold system includes: mould template, and mold cavity is provided on the mould template and opens frame；Driving cylinder, it includes cylinder cap and piston, the cylinder cap assembling is fixed on the mould template and crosses accommodating cavity jointly with the inner wall for opening frame, is set to the piston longitudinally reciprocating motion in the accommodating cavity body and the outer peripheral edge of the piston is fitted closely with the inner wall for opening frame always.Compared with prior art, present invention eliminates the cylinder bodies of conventional ADS driving cylinder, piston is directly configured into opening in frame in mould template, it assembles simple and fast, maintenance easy to disassemble reduces the process of the cylinder body of conventional ADS driving cylinder, saves processing cost, and increase mould template stays untouchable product, to enhance the intensity of mould template.
Description
Technical field
The invention belongs to hot flow path injection molding technology fields, are related to a kind of injection mold system.
Background technique
Injection mold system be generally divided into it is open and two kinds of needle valve, for the injection mold system of common needle valve
System, generally comprises the mould template with mold cavity, the flow distribution plate being laid in mould template, across the valve of the flow distribution plate
The driving cylinder of needle and the driving valve needle movements.
The piston that existing driving cylinder generally comprises the cylinder body for crossing air cavity and is configured in air cavity, piston and cylinder body dress
It is integrally placed to the opening in frame of mould template with driving cylinder after the completion, driving cylinder carries out assembling fixation with mould template again.This
Sample, there is following problem: first, the assembling process of driving cylinder is cumbersome and complicated, and assembling and demolition and maintenance are inconvenient；
Second, driving cylinder inner body is more, increases processing cost；Third, in order to place driving cylinder entirety, mould template open frame compared with
Greatly, lead to mould template strength reduction.
Summary of the invention
Be at least to solve one of above-mentioned technical problem, efficiently can quickly be assembled the purpose of the present invention is to provide one kind and
The big injection mold system of mould template intensity.
For achieving the above object, one embodiment of the invention provides a kind of injection mold system, the injection mold
System includes:
Mould template is provided with mold cavity on the mould template and opens frame；
Driving cylinder comprising cylinder cap and piston, the cylinder cap assembling are fixed on the mould template and open frame with described
Inner wall cross accommodating cavity jointly, be set to the piston longitudinally reciprocating motion in the accommodating cavity body and the piston
Outer peripheral edge is fitted closely with the inner wall for opening frame always.
The outer peripheral edge of further improvement as an embodiment of the present invention, the piston is provided with sealing ring, in the work
When filling in longitudinally reciprocating motion, the sealing ring fits closely the inner wall for opening frame always.
Further improvement as an embodiment of the present invention, the driving cylinder are set as gas-powered cylinder, and the piston is vertical
To reciprocating motion the accommodating cavity is divided into shifting main air cavity and auxiliary air cavity；
The first gas channels and the second gas channels are provided on the mould template, in the reciprocating motion of the pistons,
First gas channels are connected with the main air cavity always, and second gas channels are connected with the auxiliary air cavity always
It is logical.
Further improvement as an embodiment of the present invention, first gas channels and second gas channels can be handed over
For introducing compressed gas to drive the reciprocating motion of the pistons.
Further improvement as an embodiment of the present invention, the frame of opening have the first opening being connected with the external world；?
In the driving cylinder and the mould template assembling process, the piston pass through first opening be assembled to it is described open in frame,
The cylinder cap be located at first opening and close it is described first opening, the main air cavity be formed in the cylinder cap with it is described
Between piston.
Further improvement as an embodiment of the present invention, is formed with sluice way in the cylinder cap, and the one of the sluice way
End is docked with first gas channels sealing, and the other end of the sluice way is exposed in the main air cavity.
Further improvement as an embodiment of the present invention, it is described to open frame also and have and first opening phase in the longitudinal direction
To the second opening of setting；
The driving cylinder further includes piston bush and circlip；The piston bush includes being sequentially connected the expansion connect along longitudinal direction
Portion, mating part and the third portion with circlip clamping mating, wherein the mating part outer surface and second opening
Inner wall fitting adaptation, and the enlarged portion and the circlip are offseted in the longitudinal direction with the mould template to limit jointly respectively
The relatively described mould template longitudinal movement of the piston bush.
Further improvement as an embodiment of the present invention, the third portion are set as groove structure.
Further improvement as an embodiment of the present invention, the piston bush have hollow evacuation channel；The driving cylinder
It further include connecting the piston and with the needle hanging platform of piston synchronous movement and the valve being assembled on the needle hanging platform
Needle, the needle hanging platform is set in the evacuation channel and inner wall of its outer surface always with the evacuation channel closely pastes
It closes.
Further improvement as an embodiment of the present invention, the injection mold system further include flowing for melting sizing material
Hot flow path, configuration is in the hot flow path after the point of the needle longitudinally extends the evacuation channel；When described first
When gas channels introduce compressed gas, needle described in the piston driving is moved longitudinally downward so that the point of the needle seals
Close the cast gate of the hot flow path；When second gas channels introduce compressed gas, needle described in the piston driving is longitudinal
It moves upwards so that the point of the needle opens the cast gate of the hot flow path.
Compared with prior art, it the invention has the following advantages: eliminating the cylinder body of conventional ADS driving cylinder, will directly live
Plug configuration opening in frame in mould template, on the one hand, reduce installation steps, assemble simple and fast, maintenance easy to disassemble；It is another
Aspect reduces the process of the cylinder body of conventional ADS driving cylinder, saves processing cost；In another aspect, needed for driving cylinder effectively
In the identical situation of internal diameter, reduce mould template opens frame size, and increase mould template stays untouchable product, to enhance
The stability of the intensity of mould template, driving cylinder is also reinforced；Moreover, in same size when opening frame, driving cylinder
It can have bigger driving force, to be conducive to effective driving of the driving cylinder to the needle.
Detailed description of the invention
Fig. 1 is the schematic diagram of the injection mold system of one embodiment of the invention；
Fig. 2 is the cross section view of injection mold system A-A along Fig. 1 of one embodiment of the invention, wherein the piston illustrated
In first position；
Fig. 3 is the cross section view of injection mold system A-A along Fig. 1 of one embodiment of the invention, wherein the piston illustrated
In the second position；
Fig. 4 is the cross section view of mould template A-A along Fig. 1 of one embodiment of the invention；
Fig. 5 is the decomposition chart of the driving cylinder of one embodiment of the invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
Although should be understood that the terms such as " first ", " second " can be used to describe various elements or knot herein
Structure, but these are described object and should not be limited by these terms.These terms are only used to by these description objects each other
It distinguishes.For example, first piston can be referred to as second piston, and similarly second piston can also be referred to as the first work
Plug, this protection scope without departing from the application.
Referring to Fig. 1~5, one embodiment of the invention provides a kind of injection mold system 100, specifically may be configured as needle
Formula hot runner plastic injection mould system, it is certainly, without being limited thereto.
In the present embodiment, injection mold system 100 includes mould template 10, flow distribution plate, hot mouth, needle and driving cylinder
20。
It is provided with mold cavity on mould template 10, first opens frame C0 and second and opens frame；The flow distribution plate is assembled in mold
In template 10 and it is arranged in described second and opens in frame；The hot mouth is assembled on the flow distribution plate；The flow distribution plate and the heat
The hot flow path of injection mold system 100 is formed in mouth.In the carry out product injection molding of injection mold system 100, injection molding machine spray
The melting sizing material that mouth sprays can be flowed into the mold cavity by the hot flow path in the flow distribution plate and the hot mouth,
To carry out product injection molding.
The needle is set as lengthwise rod-like element, and mating end is connected directly or indirectly on driving cylinder 20, and its
Point is configured in the hot flow path in the hot mouth after passing through the flow distribution plate.It is described under the driving of driving cylinder 20
Needle is moved back and forth to open or close the cast gate of the hot flow path, specifically along its longitudinally: when the needle opens institute
When stating the cast gate of hot flow path, the melting sizing material that injection molding machine nozzle sprays enters in the mold cavity through the hot flow path, completes
Product injection molding；When the needle closes the cast gate of the hot flow path, melting sizing material can not be by described in hot flow path entrance
Mold cavity stops product injection molding.
In this application, driving cylinder 20 includes cylinder cap 21 and piston 22.
Wherein, cylinder cap 21 is fixed on mould template 10 by the assembling of fastener 30, and in the present embodiment, fastener 30 can
Be set as screw, there is fastener hole 12 compatible with the screw on mould template 10, in assembling by fastener 30 with
The screw thread of fastener hole 12 is coupled so that the fixation of cylinder cap 21 is assembled on mould template 10.In this way, in the assembled state, 21 He of cylinder cap
First inner wall 11 (namely inner wall 11 crosses first and opens frame C0) for opening frame C0 crosses an accommodating cavity jointly, it is possible to understand that, it should
Accommodating cavity is first a part for opening frame C0.
Piston 22 directly or indirectly connects the needle, is reciprocally set to the accommodating cavity along longitudinal direction
It is interior, so that the needle be driven to move back and forth, wherein it should be understood that the axis for being parallel to piston 22.In this reality
It applies in example, the longitudinally for being parallel to the needle, piston 22 drives the needle to synchronize movement in the same direction, certainly not
It is limited to this, such as in other embodiments, is also configured to that the longitudinal direction is parallel with the longitudinally of the needle but piston 22
The direction of motion and the direction of motion of the needle are on the contrary, alternatively, may be arranged as the lengthwise side of the longitudinal direction Yu the needle
To with acute angle.
Clearly to express described position and direction in the application, it is by the direction definition perpendicular with the longitudinal direction
Horizontal direction；Direction from 22 axis horizontal of piston radially away from 22 axis of piston is defined as "outside", otherwise is defined as "inner".
The inner wall 11 that frame C0 is opened in the outer peripheral edge of piston 22 with first always fits closely, that is to say, that driving cylinder 20 has
The inner wall 11 that effect internal diameter directly opens frame C0 by first limits Lai the inner wall 11 that piston 22 directly opens frame C0 with first matches.
In this way, the injection mold system 100 of the application, eliminates the cylinder body of conventional ADS driving cylinder (in other words by mould template
10 have been used as the cylinder body of driving cylinder 20), directly piston 22 is configured and is opened in frame C0 first, on the one hand, reduce installation steps,
Assemble simple and fast, maintenance easy to disassemble；On the other hand, reduce the process of the cylinder body of conventional ADS driving cylinder, save processing
Cost；In another aspect, reduce mould template 10 first opens frame C0 in the identical situation of effective internal diameter needed for driving cylinder 20
Size, increase mould template 10 stays untouchable product, so that the intensity of mould template 10 is enhanced, the stability of driving cylinder 20
Reinforced；Moreover, driving cylinder 20 can have bigger driving force when the first of same size opens frame C0, from
And it is conducive to effective driving of the driving cylinder 20 to the needle.
In the present embodiment, driving cylinder 20 is preferably set to gas-powered cylinder, namely using gas as driving force source.
Join Fig. 2 and Fig. 3, with the reciprocating motion of piston 22, the accommodating cavity can be divided into shifting main gas by piston 22
Chamber C1 and auxiliary air cavity C2, it is to be understood that although main air cavity C1 and auxiliary air cavity C2 change with the reciprocating motion of piston 22,
But what the two was constantly present.
Main air cavity C1 and auxiliary air cavity C2 separates from the two sides up and down of piston 22, and in the present embodiment, main air cavity C1 is formed in
The upside of piston 22, auxiliary air cavity C2 are formed in the downside of piston 22, the inner wall for opening frame C0 with first by the outer peripheral edge of piston 22
11 fit closely, and make to be obstructed between winner air cavity C1 and auxiliary air cavity C2 by piston 22 and not be conducted independently of one another.
Preferably, the outer peripheral edge of piston 22 is provided with sealing ring 262, in 22 longitudinally reciprocating motion of piston, sealing ring 262
Always it fits closely first and opens the inner wall 11 of frame C0, to be further ensured that between main air cavity C1 and auxiliary air cavity C2 that airless is handed over
It changes.
Further, the first gas channels B1 and the second gas channels B2 is additionally provided on mould template 10.In piston
22 move back and forth when, the first gas channels B1 is connected with main air cavity C1 always, the second gas channels B2 always with auxiliary air cavity C2
It is connected.
First gas channels B1 can introduce compressed gas (namely gas higher than atmospheric pressure), can also discharge
Gas；Likewise, the second gas channels B2 can introduce compressed gas, it also being capable of outside output gas.First gas channels B1
Compressed gas is alternatively introduced into the second gas channels B2 to drive piston 22 to move back and forth, that is to say, that in synchronization, first
Only one introducing compressed gas of gas channels B1 and the second gas channels B2.
Wherein, when the first gas channels B1 introduces compressed gas, compressed gas enters main air cavity C1, and auxiliary air cavity C2 passes through
Second gas channels B2 is outwardly vented in environment, at this point, piston 22 drives the needle under the thrust of compressed gas
(such as can change from the second position shown in Fig. 3 to first position shown in Fig. 2) is moved longitudinally downward, so that the needle
Point closes the cast gate of the hot flow path, and injection mold system 100, which is in, stops injection molding state.
When the second gas channels B2 introduces compressed gas, compressed gas enters auxiliary air cavity C2, and main air cavity C1 passes through first
Gas channels B1 is outwardly vented in environment, at this point, piston 22 drives the needle longitudinal under the thrust of compressed gas
(such as can change from first position shown in Fig. 2 to the second position shown in Fig. 3) is moved upwards, so that the tip of the needle
The cast gate of the hot flow path is opened in portion, and injection mold system 100 is in injection molding state.
Further, first open frame C0 have the upper opening C01 that is connected with external environment and with the upper opening C01
The under shed C02 being oppositely arranged in the longitudinal direction.
Wherein, in driving cylinder 20 and 10 assembling process of mould template, piston 22 is assembled to first across upper opening C01 and opens
In frame C0, later, the assembling of cylinder cap 21 is fixed on mould template 10, and cylinder cap 21 is located at upper opening C01 and opens on closing
Mouth C01.Main air cavity C1 is formed between cylinder cap 21 and piston 22.
Sealing ring 261 is clamped at assembly clearance between cylinder cap 21 and fixed form 10, thus avoid main air cavity C1 it
Interior compressed gas is leaked out by the assembly clearance between cylinder cap 21 and fixed form 10 from upper opening C01, Jin Er
Driving cylinder 20 is capable of providing sufficiently large driving force to guarantee to seal needle effect when injection mold system 100 is in injection molding state.
In the present embodiment, sluice way B3 is provided in cylinder cap 21.One end B31 and the first gas channels of sluice way B3
B1 adaptation docking, and sealing ring 266 is set to guarantee that gas is not revealed around the docking location；The other end of sluice way B3
B32 is exposed in main air cavity C1, is specifically formed at 21 lower surface of cylinder cap for defining the coboundary main air cavity C1, in this way, the
One gas channels B1 is connected to main air cavity C1 by sluice way B3.
Further, driving cylinder 20 further includes piston bush 24 and circlip 251.
Piston bush 24 is located under shed C02 and fixation is assembled on mould template 10.Specifically, piston bush 24 includes
It is sequentially connected the enlarged portion 241 connect, mating part 242 and narrowed portion 244 along longitudinal direction, in which: in the horizontal direction, enlarged portion
Size, the size of the outer surface of the size of the outer surface of mating part 242, narrowed portion 244 of 241 outer surface are sequentially reduced,
In the present embodiment, three outer surface is cylindrical namely 241 outer diameter of enlarged portion, 242 outer diameter of mating part, 244 outer diameter of narrowed portion
It is sequentially reduced；And 242 outer diameter of mating part is adapted under shed C02 so that it can pass through under shed C02 just, and expand
241 outer diameter of portion is greater than under shed C02 so that it can not pass through under shed C02.
In the present embodiment, enlarged portion 241, mating part 242 and narrowed portion 244 are set gradually from top to bottom along longitudinal direction,
In this way, piston bush 24 can be entered first in the assembling process of piston bush 24 and mould template 10 from upper opening C01 and open frame C0
In, then the lower end of piston bush 24 can be pierced by downwards under shed C02, until the lower end surface 243 of enlarged portion 241 and mould template
10 abut against to hinder the movement for stopping piston bush 24.Certainly in an alternate embodiment, enlarged portion 241 and the interchangeable position of narrowed portion 244
It sets, so that piston bush 24 is directly coupled under shed C02 from the lower section of mould template 10 upwards.
In the assembled state, narrowed portion 244 is exposed to below under shed C02, and 251 clamping of circlip is coupled in narrowed portion 244
Locate and lockup piston covers 24, is moved upwards with limiting 24 opposing mold template 10 of piston bush.In this way, by under enlarged portion 241
End face 243 mutually abuts in the longitudinal direction with mould template 10, and circlip 251 mutually abuts in the longitudinal direction with mould template 10,
So that the longitudinal fixation non-movablely of piston bush 24 is assembled on mould template 10.It can be seen from the above, narrowed portion 244 is to be formed in
On the other hand the groove structure of 242 lower section of mating part can avoid circlip 251 in longitudinal force so on the one hand convenient for assembling positioning
It is subjected to displacement under effect and causes limit effect poor.
Preferably, the outer surface of mating part 242 is fitted closely with mould template 10 (namely inner wall of under shed C02), and
Sealing ring 263 is clamped in assembly clearance between the two, so that the compressed gas within auxiliary air cavity C2 be avoided to pass through mating part
Assembly clearance between 242 outer surface and mould template 10 and leaked out under shed C02.
Further, driving cylinder 20 further includes needle hanging platform 23 and circlip 252.
The upper end of needle hanging platform 23 is connected with piston 22 and moves synchronously with piston 22 is longitudinal.In the present embodiment, valve
Assembling can not be fixed in mounting groove in the middle part of insertion 22 lower surface of piston of 23 upper end of needle hanging platform and by circlip 252 with being detached from downwards
Below piston 22.Certainly, without being limited thereto, such as in other embodiments, needle hanging platform 23 can also with 22 one of piston at
Type.
Further, piston bush 24 is set as hollow cylindrical configuration, with hollow evacuation channel B5；Under needle hanging platform 23
End is set in evacuation channel B5, when needle hanging platform 23 is moved back and forth with piston 22, the outer surface of needle hanging platform 23 and evacuation
The inner wall (namely the inner wall crosses evacuation channel B5) of channel B5 fits closely always.The outer surface of needle hanging platform 23 and evacuation are logical
Sealing ring 265 is preferably provided between the inner wall of road B5, so that the compressed gas in auxiliary air cavity C2 will not be hung by needle
Assembly clearance between the outer surface of platform 23 and the inner wall for avoiding channel B5 and leaked out under shed C02.
Wherein, in the present embodiment, needle hanging platform 23 is also configured as hollow cylindrical configuration, has and accommodates the needle
Needle channel B4.Specifically, the upper end of needle channel B4 has flaring step surface 231, the mating end of the needle
Assembly and connection on needle hanging platform 23 and be flared step surface 231 limitation and needle hanging platform 23 can not be detached from downwards；The needle
Point longitudinally extend needle channel B4 and evacuation channel B5 after pass through the flow distribution plate configure in the hot flow path.
In this way, when driving cylinder 20 and mould template 10 assemble, it can be first by the needle, needle hanging platform 23 and 22 groups of piston
Load into a piston mould group, then directly successively by piston bush 24, the piston mould group and cylinder cap 21 one by one on toward
It is lower to be assembled on mould template 10, it is easy to assembly.
Compared with prior art, the injection mold system 100 of the present embodiment, which has the advantages that, eliminates traditional drive
The cylinder body (cylinder body that mould template 10 has been used as to driving cylinder 20 in other words) of dynamic cylinder, piston 22 is directly configured open frame first
In C0, on the one hand, reduce installation steps, assemble simple and fast, maintenance easy to disassemble；On the other hand, reduce conventional ADS driving
The process of the cylinder body of cylinder saves processing cost；In another aspect, in the identical situation of effective internal diameter needed for driving cylinder 20,
It reduces the first of mould template 10 and opens frame C0 size, increase mould template 10 stays untouchable product, to enhance mold mould
The stability of the intensity of plate 10, driving cylinder 20 is also reinforced；Moreover, being driven when the first of same size opens frame C0
Dynamic cylinder 20 can have bigger driving force, to be conducive to effective driving of the driving cylinder 20 to the needle.
Illustrating only for feasible embodiment of the invention is described in detail in those listed above, they are simultaneously
It is non-to limit the scope of the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention or change should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of injection mold system, the injection mold system include:
Mould template is provided with mold cavity on the mould template and opens frame；
Driving cylinder comprising cylinder cap and piston, which is characterized in that the cylinder cap assembling is fixed on the mould template and and institute
The inner wall for stating out frame crosses accommodating cavity jointly, is set to the piston longitudinally reciprocating motion in the accommodating cavity body and described
The outer peripheral edge of piston is fitted closely with the inner wall for opening frame always.
2. injection mold system according to claim 1, which is characterized in that the outer peripheral edge of the piston is provided with sealing
Circle, in the piston longitudinally reciprocating motion, the sealing ring fits closely the inner wall for opening frame always.
3. injection mold system according to claim 1, which is characterized in that the driving cylinder is set as gas-powered cylinder,
The piston longitudinally reciprocating motion is to be divided into shifting main air cavity and auxiliary air cavity for the accommodating cavity；
The first gas channels and the second gas channels are provided on the mould template, it is described in the reciprocating motion of the pistons
First gas channels are connected with the main air cavity always, and second gas channels are connected with the auxiliary air cavity always.
4. injection mold system according to claim 3, which is characterized in that first gas channels and second gas
Paths can be alternatively introduced into compressed gas to drive the reciprocating motion of the pistons.
5. injection mold system according to claim 4, which is characterized in that the frame of opening has the to be connected with the external world
One opening；In the driving cylinder and the mould template assembling process, the piston passes through first opening and is assembled to institute
It states out in frame, the cylinder cap is located at first opening and closes first opening, and the main air cavity is formed in described
Between cylinder cap and the piston.
6. injection mold system according to claim 5, which is characterized in that sluice way is formed in the cylinder cap, it is described
One end of sluice way is docked with first gas channels sealing, and the other end of the sluice way is exposed in the main air cavity.
7. injection mold system according to claim 5, which is characterized in that described to open frame also and have and first opening
The second opening being oppositely arranged in the longitudinal direction；
The driving cylinder further includes piston bush and circlip；The piston bush includes being sequentially connected the enlarged portion connect along longitudinal direction, matching
Socket part and the third portion being coupled with the circlip clamping, wherein the inner wall of the mating part outer surface and second opening pastes
Properly match, and the enlarged portion and the circlip offset respectively with the mould template in the longitudinal direction to limit the work jointly
The relatively described mould template longitudinal movement of plug sleeve.
8. injection mold system according to claim 7, which is characterized in that the third portion is set as groove structure.
9. injection mold system according to claim 7, which is characterized in that the piston bush has hollow evacuation channel；
The driving cylinder further include connect the piston and with the piston synchronous movement needle hanging platform and be assembled in the needle
Needle on hanging platform, the needle hanging platform is set in the evacuation channel and its outer surface is always and in the evacuation channel
Wall fits closely.
10. injection mold system according to claim 9, which is characterized in that the injection mold system further includes for molten
Melt the hot flow path of sizing material flowing, configuration is in the hot flow path after the point of the needle longitudinally extends the evacuation channel
In；When first gas channels introduce compressed gas, needle described in the piston driving is moved longitudinally downward so that described
The point of needle closes the cast gate of the hot flow path；When second gas channels introduce compressed gas, the piston band
The needle is moved to move longitudinally upward so that the point of the needle opens the cast gate of the hot flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552584.8A CN109435170A (en) | 2018-12-19 | 2018-12-19 | Injection mold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552584.8A CN109435170A (en) | 2018-12-19 | 2018-12-19 | Injection mold system |
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| Publication Number | Publication Date |
|---|---|
| CN109435170A true CN109435170A (en) | 2019-03-08 |
Family
ID=65559015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811552584.8A Withdrawn CN109435170A (en) | 2018-12-19 | 2018-12-19 | Injection mold system |
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| CN206493535U (en) * | 2016-12-30 | 2017-09-15 | 深圳市银宝山新科技股份有限公司 | Compact air cylinder structure and hot flow path injection moulding apparatus |
| CN209207946U (en) * | 2018-12-19 | 2019-08-06 | 柳道万和(苏州)热流道系统有限公司 | Injection mold system |
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2018
- 2018-12-19 CN CN201811552584.8A patent/CN109435170A/en not_active Withdrawn
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| CN203472052U (en) * | 2013-08-21 | 2014-03-12 | 深圳市银宝山新科技股份有限公司 | Valve needle type hot runner cylinder and valve needle type hot nozzle |
| EP2952326A1 (en) * | 2014-06-02 | 2015-12-09 | awetis engineering+manufacturing GmbH | Needle valve nozzle system |
| CN205112284U (en) * | 2015-10-23 | 2016-03-30 | 柳道（青岛）热流道系统有限公司 | Valve formula hot runner system |
| CN206493535U (en) * | 2016-12-30 | 2017-09-15 | 深圳市银宝山新科技股份有限公司 | Compact air cylinder structure and hot flow path injection moulding apparatus |
| CN209207946U (en) * | 2018-12-19 | 2019-08-06 | 柳道万和(苏州)热流道系统有限公司 | Injection mold system |
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Application publication date: 20190308 |
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